Portable loudspeaker



FIG. 1 is a perspective view of a portable loudspeaker showing our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a side elevation view thereof;

FIG. 5 is a side elevation view of the opposite side thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The evenly spaced broken lines immediately adjacent the shaded areas represent bounds of the claimed design, while all other evenly spaced broken lines are directed to environment and are for illustrative purposes only. The dot-dash broken lines represent bounds of the claimed design. The evenly spaced broken lines and the dot-dash broken lines form no part of the claimed design. 

CLAIM The ornamental design for a portable loudspeaker, as shown and described. 